Mump 0012 01 Plan For Ponies Part Three

To bring you up to date, our 289 4V engine was dyno-tested and super-tuned in stock condition in Part 1, then upgraded with an Edelbrock Performer RPM manifold and 600-cfm carburetor in Part 2. The total gain was a modest increase in horsepower and torque. This taught us something about packaging.